condition mean min max 2 h after light 0.09020816666666667 0.0 0.307541 6 h after light 0.2948245 0.142274 0.393444 10 h after light 0.25999506666666666 0.0482062 0.526726 14 h after light 0.1109786 0.0486178 0.198436 18 h after light 0.1456696 0.0 0.327432 2 h after dark 0.17221325 0.0516537 0.393854